- attempting to be funny and failing miserably
- spilling food and/or drink on yourself for any reason, or on your character sheet
- spilling food and/or drink on someone else, or on their character sheet
- throwing food and/or drink at someone else, or at their character sheet
- failing to comprehend an important piece of information due to inattention, food, or otherwise, and having your character perform some incredibly stupid action because of it

PC glow (n) - An amorphous "glow" which identifies a player character to the other PC's.

Typically manifests when entering a room, as in:
"A man walks into the bar."
"Does he have that PC glow?"